From 03eca1c57e7c410550bc68e58b467fda00ecc2a9 Mon Sep 17 00:00:00 2001
From: Maneesh Gupta <maneesh.gupta@amd.com>
Date: Mon, 9 Apr 2018 12:39:44 +0530
Subject: [PATCH] hipMemcpyAsync returns success when trying to copy 0 bytes

Change-Id: I4c0ee7ccc7563e2df657b50356cdd7fec9a1ef15
---
 src/hip_memory.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/hip_memory.cpp b/src/hip_memory.cpp
index 8eecd2a9fd..ffa9f0cfdd 100644
--- a/src/hip_memory.cpp
+++ b/src/hip_memory.cpp
@@ -35,8 +35,10 @@ hipError_t memcpyAsync(void* dst, const void* src, size_t sizeBytes, hipMemcpyKi
                        hipStream_t stream) {
     hipError_t e = hipSuccess;
 
-    stream = ihipSyncAndResolveStream(stream);
+    // Return success if number of bytes to copy is 0
+    if (sizeBytes == 0) return e;
 
+    stream = ihipSyncAndResolveStream(stream);
 
     if ((dst == NULL) || (src == NULL)) {
         e = hipErrorInvalidValue;